User's Manual Part 2

APPENDIX A Savi SensorTag ST-674 Specifications
20 Savi SensorTag ST-674 Installation Guide
LF receiver (downlink) Low Frequency Receiver (downlink)
Frequency: 123 KHz
Modulation: ASK on-off keying
Data rate: Average 1.6 Kbps, 50% duty cycle
Data coding: Pulse width modulation
Communication range: Up to 3.5 feet (1 meter) from
Savi Mobile Reader SMR-650. Up to 12 feet (3.66 meters)
from Savi Signpost SP-651 and SP-652-211
Air protocol: BCS Commands, EBCS Commands (22-bit
tag identification supported); Savi EchoPoint Air Protocol
2.1 (32-bit tag identification supported) and Savi
EchoPoint Air Protocol 1.1
Network Wireless: RF read/write capable
Memory On board non-volatile 128K user memory for all tags and
32K sensor memory
Hardware compatibility
✦ Savi Mobile Reader SMR-650P (model SMR-650P-110
and SMR-650P-111)
✦ Savi Mobile Reader SMR-650 (models SMR-650-21x)
✦ Savi Fixed Reader SR-650-101
✦ Savi Signpost SP 651 and SP-652
✦ Savi Docking Station model SDS-2002
✦ Savi ST-654 Docking Station Adapter SDSA-654-01
✦ Savi Tag Write Cable STA-1030
✦ Savi Tag Write Cable Adapter STA-1031
Antenna Internal UHF: Omni loop antenna
Internal LF: Two integrated ferrite core antennas
(orthogonally mounted)
Shock and vibration Shock: Tested per MIL-STD-810F, 4 feet (1.22 meters)
Vibration: Tested per MIL-STD-810F
Protection type Sealed to IP 54
ISO 1496 weatherproofing requirements
Specification Description